Features and Characteristics:

Plant type semi-compact, summer-sown growth period of 102 days, 1 day later than the control Zhengdan 958, with 19 leaves on the whole plant, 幻苗 sheath purple, style pale green, anther green, male spike with 7-8 branches. Regional test results: plant height 249 cm, ear height 100-108 cm, ear shape cylindrical, ear length 18.3-23.6 cm, ear diameter 5 cm, row number 16-18 rows, grain number 576.5 grains, red stalk, yellow grain, deep dent type, seed yield 87.2%-92.6%, weight 753.3-783.3 g/l. In 2021, identified by the College of Plant Protection, Shandong Agricultural University: highly resistant to smut and stalk rot, moderately resistant to small spot disease, leaf spot, ear rot, southern rust, and stunting. In 2021, quality analysis by the Grain Quality Supervision and Inspection Center of the Ministry of Agriculture and Rural Affairs (Taian): crude protein 10.79%, crude fat 5.21%, lysine 0.23%, crude starch 71.35%.

Production Performance:

2018: Participated in the Shandong Crop Union's summer corn variety regional trial (5,000 plants/acre), achieving an average yield of 673.8 kg/acre, a 10.8% increase over the control Zhengdan 958. 2020: Participated in the same trial, yielding 776.6 kg/acre on average, a 9.4% increase over Zhengdan 958. 2021: Production trial yielded 633.0 kg/acre on average, also a 9.4% increase over Zhengdan 958. 2023: In Shandong's key project fields, the yield reached 1,976.8 jin/acre.

Cultivation Techniques:

Recommended density is around 4,500-5,000 plants per acre, with other management measures similar to general field crops. Suitable regions: Shandong, Henan, and Hebei summer-sown corn planting areas.